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Dr. Johnny Sia Gaw I, MD

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Specializes in: Adult Cardiology

831 E Huntington Drive Suite 101
Monrovia, CA 91016

(702) 579-3203

Dr. Johnny Sia Gaw I, MD is a cardiologist in Monrovia, CA specializing in adult cardiology. Dr. Johnny Sia Gaw I, MD is affiliated with Johnny S. Gaw, MD.

Office Locations

831 E Huntington Drive Suite 101
Monrovia, CA 91016

(702) 579-3203

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931 Buena Vista Street Suite #106
Duarte, CA 91010

(626) 359-8929

(626) 359-2280

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Johnny Sia Gaw I, MD treated as a cardiologist in Monrovia, CA during 2012 were hospital care, blood draw, inpatient care and lab tests.

Volume of procedures performed by Dr. Johnny Sia Gaw I, MD for Medicare patients.

ambulatory monitoring	33
blood draw	494
cardiac procedures	338
doctor visit	2480
hospital care	519
inpatient care	486
lab tests	463
nursing home care	87
outpatient care	33
preventive care	190
stress testing	110
ultrasound (sonogram)	195
vaccines	190

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Johnny Sia Gaw I, MD treated as a cardiologist in Monrovia, CA during 2013 were blood draw, hospital care, inpatient care and lab tests.

Volume of procedures performed by Dr. Johnny Sia Gaw I, MD for Medicare patients.

ambulatory monitoring	16
blood draw	417
cardiac procedures	325
doctor visit	2293
hospital care	376
inpatient care	376
lab tests	352
nursing home care	107
preventive care	165
stress testing	97
ultrasound (sonogram)	212
vaccines	165

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Johnny Sia Gaw I, MD.

**Gender**
Male	184
Female	317

**Ethnicity**
Non-Hispanic White	185
Black	17
Hispanic	144
Asian	130
Other	25
Native American	0

**Age**
From 65 to 74	162
From 75 to 84	172
85 and over	144
Less than 65	23

Conditions of Medicare patients treated by Dr. Johnny Sia Gaw I, MD in 2013

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	75
Depression	16
Chronic Kidney Disease	30
Asthma	6
Osteoperosis	19
Atrial Fibrilation	20
Heart Failure	25
Chronic Obstructive Pulmonary Disease	17
Diabetes	46
Dementia	23
Cancer	8

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Johnny Sia Gaw I, MD treated as a cardiologist in Monrovia, CA during 2014 were blood draw, hospital care, inpatient care and cardiac procedures.

Volume of procedures performed by Dr. Johnny Sia Gaw I, MD for Medicare patients.

ambulatory monitoring	17
blood draw	376
cardiac procedures	291
doctor visit	2012
hospital care	356
inpatient care	356
lab tests	290
nursing home care	113
preventive care	135
stress testing	65
ultrasound (sonogram)	209
vaccines	135

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Johnny Sia Gaw I, MD.

**Gender**
Male	188
Female	303

**Ethnicity**
Non-Hispanic White	183
Black	21
Hispanic	137
Asian	127
Other	0
Native American	0

**Age**
From 65 to 74	151
From 75 to 84	175
85 and over	142
Less than 65	23

Conditions of Medicare patients treated by Dr. Johnny Sia Gaw I, MD in 2014

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	75
Depression	16
Chronic Kidney Disease	30
Asthma	5
Osteoperosis	16
Atrial Fibrilation	20
Heart Failure	25
Chronic Obstructive Pulmonary Disease	18
Diabetes	49
Dementia	25
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Johnny Sia Gaw I, MD treated as a cardiologist in Monrovia, CA during 2015 were blood draw, cardiac procedures, preventive care and vaccines.

Volume of procedures performed by Dr. Johnny Sia Gaw I, MD for Medicare patients.

ambulatory monitoring	14
blood draw	358
cardiac procedures	238
doctor visit	1771
hospital care	228
inpatient care	216
lab tests	193
outpatient care	12
preventive care	236
stress testing	76
ultrasound (sonogram)	148
vaccines	236

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Johnny Sia Gaw I, MD.

**Gender**
Male	342
Female	484

**Ethnicity**
Non-Hispanic White	304
Black	34
Hispanic	222
Asian	218
Other	48
Native American	0

**Age**
From 65 to 74	258
From 75 to 84	304
85 and over	216
Less than 65	48

Conditions of Medicare patients treated by Dr. Johnny Sia Gaw I, MD in 2015

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	75
Depression	11
Chronic Kidney Disease	29
Asthma	10
Osteoperosis	16
Atrial Fibrilation	21
Heart Failure	24
Chronic Obstructive Pulmonary Disease	15
Diabetes	45
Dementia	18
Cancer	9

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Johnny Sia Gaw I, MD treated as a cardiologist in Monrovia, CA during 2016 were blood draw, hospital care, inpatient care and preventive care.

Volume of procedures performed by Dr. Johnny Sia Gaw I, MD for Medicare patients.

blood draw	395
cardiac procedures	209
doctor visit	1964
hospital care	258
inpatient care	258
lab tests	172
preventive care	231
stress testing	63
ultrasound (sonogram)	146
vaccines	231

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Johnny Sia Gaw I, MD.

**Gender**
Male	163
Female	230

**Ethnicity**
Non-Hispanic White	138
Black	13
Hispanic	111
Asian	110
Other	21
Native American	0

**Age**
From 65 to 74	135
From 75 to 84	144
85 and over	95
Less than 65	19

Conditions of Medicare patients treated by Dr. Johnny Sia Gaw I, MD in 2016

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	75
Depression	13
Chronic Kidney Disease	31
Asthma	18
Osteoperosis	15
Atrial Fibrilation	17
Heart Failure	20
Chronic Obstructive Pulmonary Disease	17
Diabetes	47
Dementia	17
Cancer	9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Johnny Sia Gaw I, MD treated as a cardiologist in Monrovia, CA during 2017 were blood draw, preventive care, vaccines and cardiac procedures.

Volume of procedures performed by Dr. Johnny Sia Gaw I, MD for Medicare patients.

ambulatory monitoring	15
blood draw	389
cardiac procedures	170
doctor visit	1766
hospital care	144
inpatient care	144
lab tests	136
preventive care	177
stress testing	32
ultrasound (sonogram)	123
vaccines	177

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Johnny Sia Gaw I, MD.

**Gender**
Male	160
Female	227

**Ethnicity**
Non-Hispanic White	121
Black	16
Hispanic	112
Asian	115
Other	23
Native American	0

**Age**
From 65 to 74	129
From 75 to 84	154
85 and over	86
Less than 65	18

Conditions of Medicare patients treated by Dr. Johnny Sia Gaw I, MD in 2017

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	75
Depression	13
Chronic Kidney Disease	37
Asthma	7
Osteoperosis	14
Atrial Fibrilation	16
Heart Failure	19
Chronic Obstructive Pulmonary Disease	17
Diabetes	47
Dementia	18
Cancer	9

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Johnny Sia Gaw I, MD treated as a cardiologist in Monrovia, CA during 2018 were blood draw, hospital care, cardiac procedures and inpatient care.

Volume of procedures performed by Dr. Johnny Sia Gaw I, MD for Medicare patients.

blood draw	260
cardiac procedures	182
doctor visit	1625
hospital care	182
inpatient care	182
lab tests	91
preventive care	159
stress testing	50
ultrasound (sonogram)	132
vaccines	159

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Johnny Sia Gaw I, MD.

**Gender**
Male	152
Female	227

**Ethnicity**
Non-Hispanic White	122
Black	13
Hispanic	117
Asian	106
Other	21
Native American	0

**Age**
From 65 to 74	126
From 75 to 84	145
85 and over	89
Less than 65	19

Conditions of Medicare patients treated by Dr. Johnny Sia Gaw I, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	75
Depression	15
Chronic Kidney Disease	39
Asthma	7
Osteoperosis	14
Atrial Fibrilation	17
Heart Failure	21
Chronic Obstructive Pulmonary Disease	17
Diabetes	48
Dementia	17
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Johnny Sia Gaw I, MD treated as a cardiologist in Monrovia, CA during 2019 were blood draw, cardiac procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Johnny Sia Gaw I, MD for Medicare patients.

blood draw	271
cardiac procedures	177
doctor visit	1400
hospital care	176
inpatient care	176
preventive care	95
stress testing	40
ultrasound (sonogram)	137
vaccines	95

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Johnny Sia Gaw I, MD.

**Gender**
Male	154
Female	228

**Ethnicity**
Non-Hispanic White	121
Black	15
Hispanic	113
Asian	111
Other	22
Native American	0

**Age**
From 65 to 74	117
From 75 to 84	146
85 and over	104
Less than 65	15

Conditions of Medicare patients treated by Dr. Johnny Sia Gaw I, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	75
Depression	15
Chronic Kidney Disease	40
Asthma	4
Osteoperosis	13
Atrial Fibrilation	16
Heart Failure	21
Chronic Obstructive Pulmonary Disease	17
Diabetes	52
Dementia	20
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Johnny Sia Gaw I, MD treated as a cardiologist in Monrovia, CA during 2020 were blood draw, ultrasound (sonogram) and cardiac procedures.

Volume of procedures performed by Dr. Johnny Sia Gaw I, MD for Medicare patients.

blood draw	84
cardiac procedures	45
doctor visit	572
ultrasound (sonogram)	45

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Johnny Sia Gaw I, MD.

**Gender**
Male	111
Female	167

**Ethnicity**
Non-Hispanic White	89
Black	0
Hispanic	74
Asian	91
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	118
85 and over	77
Less than 65	0

Conditions of Medicare patients treated by Dr. Johnny Sia Gaw I, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	72
Depression	14
Chronic Kidney Disease	39
Asthma	4
Osteoperosis	9
Atrial Fibrilation	14
Heart Failure	18
Chronic Obstructive Pulmonary Disease	14
Diabetes	56
Dementia	20
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

Volume of procedures performed by Dr. Johnny Sia Gaw I, MD for Medicare patients.

doctor visit	101

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Johnny Sia Gaw I, MD.

**Gender**
Male	11
Female	39

**Ethnicity**
Non-Hispanic White	13
Black	0
Hispanic	0
Asian	19
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	28
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Johnny Sia Gaw I, MD in 2021

Hypertension	75
High Cholesterol	70
Stroke	0
Ischemic Heart Disease	30
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	34
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

Volume of procedures performed by Dr. Johnny Sia Gaw I, MD for Medicare patients.

doctor visit	125

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Johnny Sia Gaw I, MD.

**Gender**
Male	22
Female	48

**Ethnicity**
Non-Hispanic White	18
Black	0
Hispanic	0
Asian	25
Other	0
Native American	0

**Age**
From 65 to 74	25
From 75 to 84	32
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Johnny Sia Gaw I, MD in 2022

Hypertension	73
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	30
Depression	0
Chronic Kidney Disease	20
Asthma	0
Osteoperosis	26
Atrial Fibrilation	19
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	34
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Johnny Sia Gaw I, MD for Medicare patients.

The highest averages for the top procedures that Dr. Johnny Sia Gaw I, MD treated as a cardiologist in Monrovia, CA were blood draw, hospital care, inpatient care and lab tests.

ambulatory monitoring	19
blood draw	338
cardiac procedures	219
doctor visit	1464
hospital care	279
inpatient care	274
lab tests	242
nursing home care	102
outpatient care	22
preventive care	173
stress testing	66
ultrasound (sonogram)	149
vaccines	173

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Johnny Sia Gaw I, MD.

**Gender**
Male	135
Female	206

**Ethnicity**
Black / African American	11
Asian / Pacific Islander	95
Non-Hispanic White	117
Native American / Alaskan Native	0
Hispanic	93
Other	14

**Age**
75 to 84	128
85 and over	86
Less than 65	15
65 to 74	100

Average of Total of Conditions of Medicare patients treated by Dr. Johnny Sia Gaw I, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Johnny Sia Gaw I, MD treated were high cholesterol, hypertension, ischemic heart disease and diabetes.

Hypertension	68
High Cholesterol	67
Stroke	5
Ischemic Heart Disease	59
Depression	10
Chronic Kidney Disease	26
Asthma	5
Osteoporosis	12
Heart Failure	15
Chronic Obstructive Pulmonary Disease	12
Diabetes	41
Atrial Fibrillation	14
Dementia	14
Cancer	7

Education & Training

He has a state license in California.

Licensed In: California

Affiliations & Hospitals

Dr. Johnny Sia Gaw I, MD is associated with these hospitals and organizations:

Johnny S. Gaw, MD

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. Johnny Sia Gaw I, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Amgen Inc.	$472 Repatha $360	Prolia $79	Corlanor $28	$5
Janssen Pharmaceuticals, Inc	$272 XARELTO $272
Boehringer Ingelheim Pharmaceuticals, Inc.	$249 Pradaxa $125	JARDIANCE $124
SANOFI-AVENTIS U.S. LLC	$222 PRALUENT $197	MULTAQ $25
AstraZeneca Pharmaceuticals LP	$151 BRILINTA $145	CRESTOR $6
Other	$658 ELIQUIS $166	PRALUENT (alirocumab) Injection $123	Vascepa $101	Unify Assura $86	Benicar $46	Other $137

**Types of Payments**
Food and Beverage	$1,796
Education	$228

Biography

Dr. Johnny Gaw is a specialist in adult cardiology. He has received professional recognition including the following: Southern California Super Doctors.

Select Year:

Dr. Johnny Sia Gaw I, MD

Office Locations

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Johnny Sia Gaw I, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Johnny Sia Gaw I, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Johnny Sia Gaw I, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Johnny Sia Gaw I, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Johnny Sia Gaw I, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Johnny Sia Gaw I, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Johnny Sia Gaw I, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Johnny Sia Gaw I, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Johnny Sia Gaw I, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Johnny Sia Gaw I, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Johnny Sia Gaw I, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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